38455629 has 4 divisors (see below), whose sum is σ = 51274176. Its totient is φ = 25637084.

The previous prime is 38455619. The next prime is 38455657. The reversal of 38455629 is 92655483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92655483 = 3 ⋅30885161.

It is a cyclic number.

It is not a de Polignac number, because 38455629 - 2⁹ = 38455117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38455619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6409269 + ... + 6409274.

It is an arithmetic number, because the mean of its divisors is an integer number (12818544).

Almost surely, 2^38455629 is an apocalyptic number.

It is an amenable number.

38455629 is a deficient number, since it is larger than the sum of its proper divisors (12818547).

38455629 is a wasteful number, since it uses less digits than its factorization.

38455629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12818546.

The product of its digits is 259200, while the sum is 42.

The square root of 38455629 is about 6201.2602751376. The cubic root of 38455629 is about 337.5359018049.

The spelling of 38455629 in words is "thirty-eight million, four hundred fifty-five thousand, six hundred twenty-nine".